344963429638 has 4 divisors (see below), whose sum is σ = 517445144460. Its totient is φ = 172481714818.

The previous prime is 344963429623. The next prime is 344963429659. The reversal of 344963429638 is 836924369443.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×344963429638² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86240857408 + ... + 86240857411.

It is an arithmetic number, because the mean of its divisors is an integer number (129361286115).

Almost surely, 2^344963429638 is an apocalyptic number.

344963429638 is a deficient number, since it is larger than the sum of its proper divisors (172481714822).

344963429638 is a wasteful number, since it uses less digits than its factorization.

344963429638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172481714821.

The product of its digits is 80621568, while the sum is 61.

The spelling of 344963429638 in words is "three hundred forty-four billion, nine hundred sixty-three million, four hundred twenty-nine thousand, six hundred thirty-eight".